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suggested spark plug for turbo'd s38

Posted: Dec 16, 2015 7:43 AM
by winfred
its a old "dinan" m5 turbo that i am reassembling and need to order some plugs, guy hammered the head gasket 3 odd years ago and i did the disassembly on it, ive since quit that job but the car had found me as nobody else wants to put it back together, i don't know what the original turbo kit is but i suspect it started as a calloway or parts of a dinan kit, its currently wearing a war chip and 12-14#

Re: suggested spark plug for turbo'd s38

Posted: Dec 16, 2015 3:54 PM
by T_C_D
2 steps colder than stock.

Re: suggested spark plug for turbo'd s38

Posted: Dec 16, 2015 7:13 PM
by Cjames570
what he said, 2 steps colder..... i run the cheapest ngk's i can get my hinds on (under $3 im pretty sure) and they are great so far... at 17lb here got about 5k on them

Re: suggested spark plug for turbo'd s38

Posted: Dec 16, 2015 10:02 PM
by winfred
groovy